557253868 has 12 divisors (see below), whose sum is σ = 978904080. Its totient is φ = 277566992.

The previous prime is 557253859. The next prime is 557253881. The reversal of 557253868 is 868352755.

It is a happy number.

It is a super-2 number, since 2×557253868² = 621063746801922848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263803 + ... + 265906.

It is an arithmetic number, because the mean of its divisors is an integer number (81575340).

Almost surely, 2^557253868 is an apocalyptic number.

It is an amenable number.

557253868 is a deficient number, since it is larger than the sum of its proper divisors (421650212).

557253868 is a wasteful number, since it uses less digits than its factorization.

557253868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529976 (or 529974 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The square root of 557253868 is about 23606.2251959097. The cubic root of 557253868 is about 822.9075190363.

The spelling of 557253868 in words is "five hundred fifty-seven million, two hundred fifty-three thousand, eight hundred sixty-eight".